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Table 6 Risk of reported health symptoms for 4 levels of carbon monoxide exposure likelihood

From: Self-reported neurological symptoms in relation to CO emissions due to problem gas appliance installations in London: a cross-sectional survey

CO exposure

Unadjusted

odds ratios

(95%CI: Low, High)

Odds ratios

version 1*

(95%CI: Low, High)

Odds ratios

version 2*

(95%CI: Low, High)

Odds ratios

version 3*

(95%CI: Low, High)

Odds ratios

version 4*

(95%CI: Low, High)

Little or no risk

1.00

1.00

1.00

1.00

1.00

D_Low

1.50 (0.72, 3.13)

1.46 (0.70, 3.05)

1.46 (0.70, 3.04)

0.54 (0.15, 1.95)

3.08 (1.20, 7.91)

C_Medium

2.79 (1.13, 6.85)

2.82 (1.14, 7.02)

2.81 (1.14, 6.96)

2.22 (0.66, 7.50)

3.22 (0.84, 12.4)

B_High or A_Very High

3.38 (1.36, 8.43)

3.25 (1.29, 8.22)

3.23 (1.28, 8.15)

0.98 (0.21, 4.63)

9.28 (2.78, 30.98)

  1. *Version 1: adjusted for benefit, number of residents, and presence of pensioners
  2. *Version 2: using "benefit recipient" as clustering variable, and adjusted for "number of residents" and presence of pensioners
  3. *Version 3: in the subgroup who are "in receipt of benefit"
  4. *Version 4: in the subgroup who are "not in receipt of benefit"
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Environmental Health

ISSN: 1476-069X